Challenges

There are currently 5 challenges in the game, each of which modify how the game looks or plays.

Every challenge starts the player with 100 health and the Pistol with no secondary or ultimate abilities.

Name	Description	Unlock Requirements
Retro	Makes the game extremely pixelated, centers the gun on the screen and the player starts with maxed speed stat.	Unlocked by default
Supertime	The players and enemies can only move on the beat.	Unlocked by default
Boss Rush	Fight all of the bosses except Nidhogg in a single challenge room in quick succession. Bosses do not drop loot, health or upgrades. Bosses can have modifiers.	Defeat Nidhogg[verification needed • edit • ?]
Full Auto	All weapons are fully automatic and the player is permanently under the effects of the Battle Lion Shield. Should the player find a Battle Lion Shield during a run, all cooldowns will be further reduced by another half, although weapons cannot fire faster than quarter-beats and abilities cannot be used faster than half-beats.	?
The Floor is Lava	The player is granted Odr's flight and movement mechanics, but otherwise still starts with the default challenge equipment and health. Any surface the player can walk on will rapidly deal damage in increments of 5 points and displays a lava effect when approached, similarly to the Frozen level modifier.	?